A-LevelPhysicsForces, density and pressureMay/June 2013Paper 1 Q141 Mark
A uniform beam of mass 1.4 kg is pivoted at P as shown. The beam has a length of 0.60 m and P is 0.20 m from one end. Loads of 3.0kg and 6.0kg are suspended 0.35m and 0.15m from the pivot as shown. [Figure showing a beam pivoted at P with forces and distances indicated] What torque must be applied to the beam in order to maintain it in equilibrium?
A0.010 Nm
B0.10 Nm
C0.29 Nm
D2.8 Nm
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The correct answer is D. This question tests the candidate's understanding of forces, density and pressure within the Physicssyllabus. The examiner's mark scheme requires...
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